Water conservancy environment monitoring device for water conservancy project

Abstract

The invention discloses a water conservancy environment monitoring device for a water conservancy project, and relates to the technical field of water conservancy environment monitoring, the water conservancy environment monitoring device comprises a monitoring frame body, the output end of a hydraulic cylinder is fixedly connected with a lifting frame body capable of ascending and descending in the vertical direction, a pushing mechanism is installed between the monitoring frame body and the lifting frame body, and when a sampler is pushed to descend for monitoring sampling, the monitoring frame body is connected with the lifting frame body. The water level gauge is pushed to give way, the extension supporting mechanism is fixedly connected with the pushing mechanism, additional lateral supporting force is provided for the monitoring frame body by dispersing gravity center shift generated in the descending process of the lifting frame body, and the bidirectional winding mechanism is in transmission connection with the extension supporting mechanism. And before the relative sliding occurs in the extension supporting mechanism, the abutting mechanism is used for carrying out anti-disengaging limiting on the interior of the extension supporting mechanism through the elastic abutting effect, so that the inner part of the extension supporting mechanism is subjected to anti-disengaging limiting, and the inner part of the extension supporting mechanism is subjected to anti-disengaging limiting. The device has the effects of improving the monitoring precision and adaptability, enhancing the device stability and reducing the maintenance cost.

Description

Technical Field

[0001] The present invention relates to the technical field of water conservancy environment monitoring, in particular to a water conservancy environment monitoring device for a water conservancy project. Background Art

[0002] Water conservancy environment monitoring is an important part of water conservancy project management, mainly involving the collection of basic data such as water quality sampling and water level monitoring.

[0003] Existing water conservancy environment monitoring devices have the following technical defects in practical applications: Generally speaking, in the process of monitoring the vertical lifting of samplers inserted into water conservancy environments, existing monitoring devices are prone to uneven force on the monitoring frame due to the offset of the center of gravity, and long-term use will cause the risk of frame deformation or tipping, especially in deep water areas or complex water environments, its stability is difficult to guarantee. In order to avoid such problems, some existing monitoring devices will set up fixed support structures, but it is difficult to flexibly adjust the support range according to different water depths or monitoring scene requirements, resulting in limited applicability.

[0004] In addition, some monitoring devices will install the sampler and water level meter on the same device. If the monitoring frame is unevenly stressed due to the center of gravity shift of the monitoring device, it will further affect the measurement accuracy of the water level meter. Summary of the Invention

[0005] The purpose of the present invention is to provide a water environment monitoring device for water conservancy projects, which solves the technical problems raised in the above background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a water conservancy environment monitoring device for a water conservancy project, comprising a monitoring frame, a hydraulic cylinder fixedly mounted on the upper surface of the monitoring frame, an output end of the hydraulic cylinder fixedly connected to a lifting frame that can be lifted and lowered in a vertical direction, a sampler fixedly mounted on the lower surface of the lifting frame, and a water level gauge connected below the sampler; A pushing mechanism is installed between the monitoring frame and the lifting frame to enable the water level gauge to move laterally and to push the water level gauge out of position when the sampler is pushed down for monitoring and sampling; An extension support mechanism, the extension support mechanism being fixedly connected to the pushing mechanism so that the extension support mechanism extends outward and drives the water level gauge to move laterally, thereby providing additional lateral support force for the monitoring frame by dispersing the center of gravity offset generated during the descent of the lifting frame; A bidirectional orbiting mechanism, the bidirectional orbiting mechanism being in transmission connection with the extension support mechanism so as to enable the interior of the extension support mechanism to perform bidirectional self-locking relative sliding to achieve a change in the support length of the extension support mechanism; A pressing mechanism is installed inside the extension support mechanism so that the pressing mechanism can rotate elastically. Before relative sliding occurs inside the extension support mechanism, the pressing mechanism prevents the inside of the extension support mechanism from falling off and limits it through elastic pressing action.

[0007] Optionally, the pushing mechanism includes: The hinged rod and the upper surface of the monitoring frame operating table are symmetrically provided with a push slide groove, a sliding rod is welded to the inner wall of one side of the push slide groove, and the outer surface of the sliding rod is slidably sleeved with a push slide, and the upper surface of the push slide and the two side surfaces of the lifting frame are fixedly connected with a hinge seat, and the hinged rod on the same side is hinged between the hinge seats on the same side.

[0008] Optionally, the extension support mechanism includes: A concave slide, the concave slide is fixedly connected to the lower end of the push slide, and one side of the concave slide is slidably connected to an inverted convex slide; Pulleys are installed on the lower surfaces of the concave slide and the inverted convex slide, and the convex portion of the inverted convex slide slides on the concave portion of the concave slide.

[0009] Optionally, the bidirectional winding mechanism includes: The vertical frame plates are symmetrically fixedly mounted on the lower surfaces of both sides of the monitoring frame body close to the push slide groove, and each group of the vertical frame plates is in a group of two, and each group of the vertical frame plates is transmission-connected with a gear and a two-way ratchet, and a coaxial winding roller is transmission-connected between the vertical frame plates, the gear and the two-way ratchet, and a group of symmetrical pay-off frames are fixedly connected to the upper surface of the inverted convex slide away from the concave slide, and a winding is rotatably connected between the coaxial winding roller and the pay-off frame; One side of the two-way ratchet is integrally welded with a convex portion, and one side surface of the convex portion is fixedly connected to a vertical plate, and the vertical plate is fixedly installed on the lower surface of the monitoring frame, and the surface of the vertical plate is symmetrically installed with an inclined plate, and a first spring is obliquely welded between the inclined plate and the convex portion, and a pin shaft is fixedly installed on the other side surface of the convex portion, and the surface of the pin shaft is staggered and rotated up and down with a first elastic pawl and a second elastic pawl, and the pawl ends of the first elastic pawl and the second elastic pawl can be elastically clamped into the upper and lower end tooth grooves of the two-way ratchet respectively, and the outer surfaces of the first elastic pawl and the second elastic pawl are elastically pressed with a pawl short arm, and the pawl short arm is elastically rotatably connected to one side surface of the convex portion, and the first elastic pawl and the second elastic pawl are respectively consistent with the inclined surface angle of the pawl short arm on the same side.

[0010] Optionally, the bidirectional orbiting mechanism further comprises rack rails fixedly connected to the two side surfaces of the lifting frame, and the gear is meshed with teeth of the rack rails; The rack rail is located at the upper half of the lifting frame close to the hydraulic cylinder.

[0011] Optionally, the pressing mechanism includes: A pressing rotating member, wherein grooves are formed on the upper surfaces of both sides of the concave slide, and the pressing rotating member is rotatably mounted inside the grooves, and a second spring is welded between the pressing rotating member and one side of the grooves; The inverted convex slide is fixedly connected to the convex portion of the concave slide, and a convex block is provided on both sides of the convex block. The arc portion of the pressing rotating member elastically presses against the inside of the pressing groove.

[0012] Optionally, the concave slide on one side is fixedly connected to a bracket, the water level meter is fixedly installed on the lower surface of the bracket, and the installation position of the water level meter is close to the concave slide on the other side.

[0013] Optionally, the outer surfaces of both sides of the monitoring frame close to the push slide are fixedly connected to limit frames, and the other end of the slide rod is fixedly welded to the inner surface of one side of the limit frame.

[0014] Optionally, when the gear and the rack track do not form an engaged transmission state, a section of the winding is pre-stored in the pay-off rack.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention adopts the linkage design of the pushing mechanism between the monitoring frame and the lifting frame. When the hydraulic cylinder drives the lifting frame to descend, the articulated rod pushes the slide to slide horizontally along the slide rod, and simultaneously drives the water level meter to make way horizontally, ensuring that the sampler has no contact with the water level meter when it descends vertically, avoiding equipment damage caused by mechanical collision, and significantly improving the stability of the sampling operation and the accuracy of the monitoring data.

[0016] 2. The present invention adopts a fixed connection design between the extension support mechanism and the pushing mechanism, so that when the water level gauge gives way, the extension support mechanism extends outward and contacts the ground through the pulley, dispersing the center of gravity offset force when the lifting frame descends to a larger support area, thereby effectively reducing the lateral stress of the monitoring frame, avoiding frame deformation or foundation settlement, and extending the service life of the device.

[0017] 3. The bidirectional winding mechanism in the present invention drives the coaxial winding roller to retract and release the winding through the meshing transmission of the rack track and the gear, thereby controlling the relative sliding of the inverted convex slide in the concave slide. Combined with the bidirectional self-locking characteristics of the bidirectional ratchet, when the gear and the rack track are in the meshing transmission state, the support length of the extended support mechanism can be flexibly adjusted on the basis of avoiding the self-rotation of the gear, thereby avoiding the phenomenon that the support length of the extended support mechanism extending outward is too long to interfere with the operation of other devices and occupy too much operating space, thereby realizing dynamic control of the extended support and significantly improving the environmental adaptability of the device.

[0018] 4. Before the extended support mechanism slides, the pressing mechanism of the present invention elastically presses the arc portion of the pressing rotating part against the pressing groove of the convex pressing block, forming a double anti-slip structure of "elastic pre-tightening + rigid limiting", which not only prevents the sliding parts from slipping due to vibration, but also reduces the rigid friction between parts through the buffering effect of the spring, reduces the wear rate, and extends the maintenance cycle. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view of the structure of the present invention; Figure 2 For the present invention Figure 1 A magnified schematic diagram of the structure at center A; Figure 3 For the present invention Figure 1 A magnified schematic diagram of the structure at A1 in the middle; Figure 4 This is a front cross-section of the structure of the present invention Figure 1 ; Figure 5 For the present invention Figure 4 A magnified schematic diagram of the structure at A2 in the middle; Figure 6 This is a front cross-section of the structure of the present invention Figure 2 ; Figure 7 For the present invention Figure 6 A magnified schematic diagram of the structure at A3 in the middle; Figure 8 It is a partial structural cross-sectional enlarged schematic diagram of the extended support mechanism of the present invention; Figure 9 For the present invention Figure 8 A magnified schematic diagram of the structure at A4 in the middle; Figure 10 It is a partial enlarged schematic diagram of the extended support mechanism of the present invention.

[0020] In the figure: 1. monitoring frame; 2. hydraulic cylinder; 3. lifting frame; 4. push slide; 5. slide rod; 6. limit frame; 7. push slide; 8. articulated seat; 9. articulated rod; 10. sampler; 11. concave slide; 12. bracket; 13. water level gauge; 14. inverted convex slide; 15. convex block; 16. pressing groove; 17. groove; 18. pressing rotating part; 19. second spring; 20. rack track; 21. vertical frame plate; 22. gear; 23. two-way ratchet; 24. coaxial winding roller; 25. convex part; 26. pin shaft; 27. first elastic pawl; 28. second elastic pawl; 29. short arm of pawl; 30. vertical plate; 31. inclined plate; 32. first spring; 33. pay-off frame; 34. winding. DETAILED DESCRIPTION

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] For example 1, please refer to Figures 1 to 10 The present invention provides a technical solution: a water conservancy environment monitoring device for a water conservancy project, comprising a monitoring frame 1, a hydraulic cylinder 2 being fixedly mounted on the upper surface of the monitoring frame 1, an output end of the hydraulic cylinder 2 being fixedly connected to a lifting frame 3 that can be lifted and lowered in a vertical direction, a sampler 10 being fixedly mounted on the lower surface of the lifting frame 3, and a water level gauge 13 being connected below the sampler 10; A pushing mechanism is installed between the monitoring frame 1 and the lifting frame 3 to enable the water level gauge 13 to move laterally and push the water level gauge 13 out of position when the sampler 10 is pushed down for monitoring and sampling; The extension support mechanism is fixedly connected to the pushing mechanism so that the extension support mechanism extends outward and drives the water level gauge 13 to move laterally, thereby providing additional lateral support force for the monitoring frame 1 by dispersing the center of gravity offset generated during the descent of the lifting frame 3; A bidirectional orbiting mechanism is in transmission connection with the extension support mechanism, so that the interior of the extension support mechanism performs a bidirectional self-locking relative sliding to achieve a change in the support length of the extension support mechanism; A pressing mechanism is installed inside the extension support mechanism so that the pressing mechanism can rotate elastically. Before relative sliding occurs inside the extension support mechanism, the pressing mechanism prevents the inside of the extension support mechanism from falling off and limiting it through elastic pressing action.

[0023] More specifically, in this embodiment, under the state of continuous monitoring of the water environment, the water level gauge 13 will monitor the water level of the water environment in real time and provide early warning. When the water quality of the water environment needs to be monitored regularly, the hydraulic cylinder 2 is started, and the output end of the hydraulic cylinder 2 pushes the lifting frame 3 to descend in the vertical direction, driving the sampler 10 at the bottom to move into the water area. When the sampler 10 needs to be further lowered to perform water sample collection, the pushing mechanism between the monitoring frame 1 and the lifting frame 3 is activated, and the water level gauge 13 is driven to move laterally through mechanical linkage, so that it avoids the vertical descending path of the sampler 10, avoids the collision between the two and causes damage to the equipment, and ensures the smoothness of the monitoring and sampling operation. The extended support mechanism disperses stress: The pushing mechanism simultaneously drives the extended support mechanism to extend outward (in the same direction as the displacement of the water level gauge 13). The extended support mechanism contacts the ground or riverbed through the bottom pulley, dispersing the lateral stress generated by the center of gravity shift when the lifting frame 3 descends to a larger support area, reducing the risk of frame deformation or tipping and extending the service life of the device; Bidirectional orbiting mechanism adjusts support length: During the extension process of the support mechanism, the bidirectional orbiting mechanism drives its internal components to slide in a bidirectional self-locking manner through a transmission connection, and dynamically adjusts the support length during the sliding process, thereby improving the adaptability of the device to complex monitoring environments; Anti-slip limit of the pressing mechanism: The pressing mechanism inside the extended support mechanism pre-tightens and limits the sliding parts through elastic pressing before sliding to prevent them from slipping due to vibration or external force impact. At the same time, the elastic buffer reduces the rigid friction between parts and reduces the maintenance frequency.

[0024] This embodiment realizes the full-process functional coverage of "sampling anti-interference - center of gravity dispersion - support adjustment - anti-slip limit" through multi-mechanism collaborative design, which significantly improves the monitoring accuracy, device stability and environmental adaptability.

[0025] Furthermore, the driving agencies include: Hinge rod 9, the upper surface of the operating table of the monitoring frame 1 is symmetrically provided with a push slide 4, the inner wall of one side of the push slide 4 is welded with a slide rod 5, the outer surface of the slide rod 5 is slidably sleeved with a push slide 7, the upper surface of the push slide 7 and the two side surfaces of the lifting frame 3 are fixedly connected with a hinge seat 8, and the hinge rod 9 on the same side is hinged between the hinge seats 8 on the same side; The outer surfaces of both sides of the monitoring frame 1 close to the push slide 4 are fixedly connected to the limit frame 6, and the other end of the slide rod 5 is fixedly welded to the inner surface of one side of the limit frame 6.

[0026] The extended support mechanism includes: A concave slide 11 is fixedly connected to the lower end of the push slide 7, and a convex slide 14 is slidably connected to one side of the concave slide 11; Pulleys are installed on the lower surfaces of the concave slide 11 and the inverted convex slide 14, and the convex part of the inverted convex slide 14 slides on the concave part of the concave slide 11. The concave slide 11 on one side is fixedly connected to the bracket 12, and the water level gauge 13 is fixedly installed on the lower surface of the bracket 12, and the installation position of the water level gauge 13 is close to the concave slide 11 on the other side.

[0027] It is worth noting that when the hydraulic cylinder 2 drives the lifting frame 3 to descend, the hinged seats 8 on both sides of the lifting frame 3 move downward accordingly, pulling the hinged rod 9 in a linkage similar to a connecting rod mechanism and then rotating around the hinged seat 8. The rotation of the hinged rod 9 pushes the push slide 7 to slide laterally along the slide rod 5 in the push slide groove 4, and the slide rod 5 is fixed by the limit frame 6, which limits the sliding range of the push slide 7, thereby preventing derailment; The concave slide 11 fixed at the lower end of the push slide 7 moves laterally synchronously with the push slide 7. Because the convex part of the inverted convex slide 14 is embedded in the concave part of the concave slide 11, a guide slide is formed, which drives the inverted convex slide 14 slidably connected to it to extend outward. The water level gauge 13 fixed to the bracket 12 on one side of the concave slide 11 moves with the concave slide 11, and finally deviates from the vertical descent path of the sampler 10. The pulleys at the bottom of the concave slide 11 and the inverted convex slide 14 contact the ground or riverbed, dispersing the gravity of the extended support mechanism to the supporting surface, reducing the lateral load of the monitoring frame 1.

[0028] The pushing mechanism and the extension support mechanism of this embodiment realize the precise positioning of the water level meter and the synchronous extension of the extension support through the linkage design of the connecting rod and the slide, which not only avoids sampling interference but also improves the stability of the device through multi-point support.

[0029] Next, the bidirectional winding mechanism includes: The vertical frame plates 21 are symmetrically fixedly mounted on the lower surfaces of both sides of the monitoring frame 1 near the push chute 4, and each group of vertical frame plates 21 is in groups of two. A gear 22 and a bidirectional ratchet 23 are transmission-connected between each group of vertical frame plates 21. A coaxial winding roller 24 is transmission-connected between the vertical frame plates 21, the gear 22 and the bidirectional ratchet 23. A group of symmetrical pay-off frames 33 are fixedly connected to the upper surface of the inverted convex slide 14 away from the concave slide 11. A winding 34 is rotatably connected between the coaxial winding roller 24 and the pay-off frame 33. One side of the two-way ratchet 23 is welded with a protrusion 25 in an integrated manner, and a vertical plate 30 is fixedly connected to the surface of one side of the protrusion 25. The vertical plate 30 is fixedly installed on the lower surface of the monitoring frame 1, and an inclined plate 31 is symmetrically installed on the surface of the vertical plate 30. A first spring 32 is obliquely welded between the inclined plate 31 and the protrusion 25. A pin 26 is fixedly installed on the other side surface of the protrusion 25. The surface of the pin 26 is rotated and sleeved with a first elastic pawl 27 and a second elastic pawl 28 in an upper and lower staggered manner, and the pawl ends of the first elastic pawl 27 and the second elastic pawl 28 can respectively elastically fit into the upper and lower end grooves of the two-way ratchet 23, and the outer surfaces of the first elastic pawl 27 and the second elastic pawl 28 are elastically pressed with a pawl short arm 29, which is elastically rotatably connected to the surface of one side of the protrusion 25, and the first elastic pawl 27 and the second elastic pawl 28 are respectively consistent with the inclined angle of the pawl short arm 29 on the same side.

[0030] The bidirectional winding mechanism further includes a rack rail 20 fixedly connected to the two side surfaces of the lifting frame 3, and the gear 22 is meshed with the teeth of the rack rail 20; The rack rail 20 is located at the upper half of the lifting frame 3 close to the hydraulic cylinder 2 .

[0031] Specifically, when the lifting frame 3 descends, the rack rails 20 on both sides thereof move downward with the lifting frame 3, and engage with the gear 22 between the vertical frame plates 21 during the descent process, driving the gear 22 to rotate. The rotation of the gear 22 drives the coaxially connected bidirectional ratchet 23 and the coaxial winding roller 24 to rotate synchronously. When the coaxial winding roller 24 rotates, the winding 34 is retracted and released, and the tension of the winding is used to pull the inverted convex slide 14 to slide in the concave slide 11. When the winding 34 is tightened, the support length is shortened, and when the winding 34 is released, the support length is extended. It is worth noting that when the bidirectional ratchet 23 rotates, its upper and lower tooth grooves are elastically engaged with the pawl ends of the first elastic pawl 27 and the second elastic pawl 28 respectively. When the winding tension suddenly changes, the bidirectional ratchet 23 cannot rotate in the opposite direction due to the engagement of the pawls, thereby preventing the inverted convex slide 14 from slipping due to inertia. The protrusion 25 is elastically connected to the first spring 32 through the inclined plate 31 , thereby providing a reset buffer force for the bidirectional ratchet 23 and reducing the rigid collision between the gear 22 and the rack track 20 .

[0032] The bidirectional winding mechanism of this embodiment achieves precise adjustment of the extended support length and active protection against accidental slippage through the coordination of gear-rack transmission and bidirectional ratchet self-locking, taking into account both flexibility and safety.

[0033] Example 2, based on the above example: Furthermore, the pressing mechanism includes: The pressing rotating member 18 is provided with grooves 17 on both sides of the upper surface of the concave slide 11. The pressing rotating member 18 is rotatably mounted inside the grooves 17. A second spring 19 is welded to one side of the pressing rotating member 18 and the groove 17. The inverted convex slide 14 abuts against the convex portion of the concave slide 11 and is fixedly connected to a convex abutment block 15 . A pressing groove 16 is formed on both sides of the convex abutment block 15 . The arc portion of the pressing rotating member 18 elastically abuts against the inside of the pressing groove 16 .

[0034] More specifically, in this embodiment, when the inverted convex slide 14 needs to slide within the concave slide 11, the convex block 15 on its convex portion first contacts the groove 17 of the concave slide 11. The pressing grooves 16 on both sides of the convex block 15 squeeze the arc portion of the pressing rotating member 18, forcing the pressing rotating member 18 to rotate around the groove 17 and compress the second spring 19, thereby forming an "elastic preload force". When the inverted convex slide 14 slides, the arc portion of the pressing turn piece 18 always maintains elastic contact with the pressing groove 16. If the inverted convex slide 14 tries to slip due to vibration or external force, the arc portion of the pressing turn piece 18 will be stuck in a deeper position of the pressing groove 16, restricting its further sliding and achieving rigid limiting.

[0035] The pressing mechanism of this embodiment uses the dual protection of "elastic preload + rigid limit" to prevent the sliding parts from slipping due to vibration, and reduces component wear through the buffering of the second spring 19, thereby extending the maintenance period of the extension support mechanism.

[0036] In addition, when the gear 22 and the rack track 20 are not in a meshing transmission state, a section of winding wire 34 is pre-stored in the pay-off frame 33 .

[0037] That is, the pre-stored logic for the non-meshing state: When the lifting frame 3 does not descend, the rack rail 20 is not engaged with the gear 22. At this time, the winding wire 34 stored in the pay-off frame 33 is in a relaxed state, which reserves redundancy for subsequent winding and releasing.

[0038] Winding release when engaged: When the lifting frame 3 descends to the point where the rack rail 20 engages with the gear 22, the gear 22 rotates to drive the coaxial winding roller 24 to reel in (or unwind), and the pre-stored winding 34 is first straightened and subjected to tension to avoid the risk of breakage due to over-tightening of the winding.

[0039] The pre-stored winding 34 provides buffer redundancy for the winding retraction and release process, avoiding transmission failure caused by insufficient or overly tight winding length, and ensuring the reliability of the bidirectional winding mechanism.

[0040] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A water conservancy environment monitoring device for a water conservancy project, comprising a monitoring frame (1), characterized in that: A hydraulic cylinder (2) is fixedly mounted on the upper surface of the monitoring frame (1); an output end of the hydraulic cylinder (2) is fixedly connected to a lifting frame (3) that can be lifted and lowered in a vertical direction; a sampler (10) is fixedly mounted on the lower surface of the lifting frame (3); and a water level gauge (13) is connected below the sampler (10); A pushing mechanism is installed between the monitoring frame (1) and the lifting frame (3) to enable the water level gauge (13) to move laterally, and to push the water level gauge (13) out of position when the sampler (10) is pushed down for monitoring and sampling; An extension support mechanism, the extension support mechanism being fixedly connected to the pushing mechanism so that the extension support mechanism extends outward and drives the water level gauge (13) to move laterally, thereby providing additional lateral support force for the monitoring frame (1) by dispersing the center of gravity offset generated during the descent of the lifting frame (3); a bidirectional orbiting mechanism, the bidirectional orbiting mechanism being in transmission connection with the extension support mechanism so as to enable the interior of the extension support mechanism to perform bidirectional self-locking relative sliding, thereby driving the change of the support length of the extension support mechanism; A pressing mechanism is installed inside the extension support mechanism to enable the pressing mechanism to rotate elastically. Before relative sliding occurs inside the extension support mechanism, the pressing mechanism prevents the inside of the extension support mechanism from falling off and limits it through elastic pressing action.

2. The water conservancy project water environment monitoring device according to claim 1, characterized in that: The driving mechanism includes: A hinged rod (9), the upper surface of the operating table of the monitoring frame (1) is symmetrically provided with a push slide (4), a slide rod (5) is welded to the inner wall of one side of the push slide (4), the outer surface of the slide rod (5) is slidably sleeved with a push slide (7), the upper surface of the push slide (7) and the two side surfaces of the lifting frame (3) are fixedly connected with a hinge seat (8), and the hinged rod (9) on the same side is hinged between the hinge seats (8) on the same side.

3. The water conservancy project water environment monitoring device according to claim 2, characterized in that: The extended support mechanism comprises: A concave slide (11), the concave slide (11) is fixedly connected to the lower end of the push slide (7), and a convex slide (14) is slidably connected to one side of the concave slide (11); Pulleys are installed on the lower surfaces of the concave slide (11) and the inverted convex slide (14), and the convex portion of the inverted convex slide (14) slides on the concave portion of the concave slide (11).

4. The water conservancy project water environment monitoring device according to claim 3, characterized in that: The bidirectional winding mechanism comprises: A vertical frame plate (21), the vertical frame plate (21) is symmetrically fixedly mounted on the lower surfaces of both sides of the monitoring frame body (1) close to the push slide (4), and each group of the vertical frame plates (21) is in a group of two, and each group of the vertical frame plates (21) is transmission-connected with a gear (22) and a bidirectional ratchet (23), and a coaxial winding roller (24) is transmission-connected between the vertical frame plate (21), the gear (22) and the bidirectional ratchet (23), and a group of symmetrical pay-off frames (33) is fixedly connected to the upper surface of the inverted convex slide (14) away from the concave slide (11), and a winding (34) is rotatably connected between the coaxial winding roller (24) and the pay-off frame (33); One side of the bidirectional ratchet (23) is welded with a convex portion (25) in an integrated manner, and a vertical plate (30) is fixedly connected to the surface of one side of the convex portion (25), and the vertical plate (30) is fixedly installed on the lower surface of the monitoring frame (1). An inclined plate (31) is symmetrically installed on the surface of the vertical plate (30), and a first spring (32) is obliquely welded between the inclined plate (31) and the convex portion (25). A pin (26) is fixedly installed on the surface of the other side of the convex portion (25), and the surface of the pin (26) is provided with a first elastic pawl (26) in an upper and lower staggered rotating sleeve. 7) and a second elastic pawl (28), and the pawl ends of the first elastic pawl (27) and the second elastic pawl (28) can be elastically snapped into the upper and lower end tooth grooves of the bidirectional ratchet (23), respectively. The outer surfaces of the first elastic pawl (27) and the second elastic pawl (28) are elastically pressed with a pawl short arm (29), and the pawl short arm (29) is elastically rotatably connected to one side surface of the convex portion (25), and the first elastic pawl (27) and the second elastic pawl (28) are respectively consistent with the inclined angle of the pawl short arm (29) on the same side.

5. The water conservancy project water environment monitoring device according to claim 4, characterized in that: The bidirectional orbiting mechanism further comprises a rack track (20) fixedly connected to the surfaces of both sides of the lifting frame (3), and the gear (22) is meshed with the teeth of the rack track (20); The rack rail (20) is located at the upper half of the lifting frame (3) close to the hydraulic cylinder (2).

6. The water conservancy project water environment monitoring device according to claim 5, characterized in that: The pressing mechanism comprises: A pressing rotating member (18), grooves (17) are provided on the upper surfaces of both sides of the concave slide (11), the pressing rotating member (18) is rotatably mounted inside the grooves (17), and a second spring (19) is welded between the pressing rotating member (18) and one side of the grooves (17); The inverted convex slide (14) is fixedly connected to a convex block (15) that abuts against a convex portion of the concave slide (11), and pressing grooves (16) are provided on both sides of the convex block (15). The arc portion of the pressing rotating member (18) elastically abuts against the inside of the pressing groove (16).

7. The water environment monitoring device for water conservancy projects according to claim 3, characterized in that: The concave slide (11) on one side is fixedly connected to a bracket (12), the water level gauge (13) is fixedly mounted on the lower surface of the bracket (12), and the mounting position of the water level gauge (13) is close to the concave slide (11) on the other side.

8. The water conservancy project water environment monitoring device according to claim 2, characterized in that: The outer surfaces of both sides of the monitoring frame (1) close to the push slide (4) are fixedly connected to the limiting frames (6), and the other end of the slide rod (5) is fixedly welded to the inner surface of one side of the limiting frame (6).

9. The water conservancy project water environment monitoring device according to claim 5, characterized in that: When the gear (22) and the rack track (20) are not in a meshing transmission state, a section of the winding wire (34) is pre-stored in the pay-off frame (33).

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